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@Mish taten stmffifm JESSE K. PARK, or MAnL'BoEoUeH, NEW Yoan.

Letters Patent No. 60,931, dated Jat'maaryY 1, 1867.

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TO ALI; WHOM IT MAY GNGERN:`

, Be itknown that I, JESSE K. PARK, of'Marlboroug'h, in the county 'of Ulster, and State of New York, have invented a new and useful improvement in Damping Brushes; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings', making a part of this specification, in whichl Figure 1 is a view or" one of the *Het sides of a brush cons Figure 2 is a longitmlinal transverse section of the same.

-Similar letters of reference indicate correspondingr parts in both gures.

This invention is designed more especially for damping paper 'for copying-presses, and it consists in the construction lof a brush, 'with a cent-ml or inner portion` of India rubber, or other suitably stili` and elastic substance, and with a covering of flannel, cloth, felt, or'other fibrous and absorbent materiahwhereby the brush is caused to retain its proper shape more permanently, and to dampen the paper more uniformly than those heretofore employed for this purpose, and whereby it may be manufactured at a less cost than the ordinary brush.

To 4enable others to understand the natur-e and construction of my invention, I will proceed to describe it with refer-ence to the drawings.

A represents a iiat rectangular piece of India rubber, or other tolerably stii' and elastic material, of any desired size, and B is a covering of cloth, felt, or other absorbent brous material. The piece of cloth or other material of which the' covering .B is made is doubled or folded, as shown more clearly in tig. 2, and is sewed across by a seam near its folded end, :is shown at a a, in order that a iexible lip, b, may be formed upon the end of the brush, as will be presently further explained. The piece of rubber A is then placed between the two sides c of the covering B, behind the scanne a, as shown in the aforesaid iig. 2, and the, two extremities of the piece which forms the covering are then sewed together by a transverse seam just behind and parallel with the rea-r or inner end of the rubber-piece A, as shown at d. This end', d, of the brush, as thus formed, is then inserted into one end of a dat rectangular clasp or ferrule, C, and secured therein by any ordinary or suitable means, While Xcd in the opposite end of the lsaid ferrule, C, is a lat handle, D, by means of which the brush is held and manipulated in the usual manner. In danipening` apaper previous to placing it in the copyingpress, the brush is dipped in Water, and tlien drawncver the surface of ythe paper in the'usual manner, the lip a turning over to one side, and thusl keeping a suiiieient brushing surface in contact with the paper; and, inasmuch as the water does not flow as freely from thc librous material of which the coveringB is formed as from the longitudinal hairs of the camel-hair brush commonly employed for this purpose, it follows that, instead of flowing ina greater quantity when' the brush is rst brought in contact with the paper, it lows uniformly from the same, and is thus spread more evenly upon the paper, while, inasmuch as the central rubber portion A has a constant tendency to straighten itself when bent, the brush is preventedl from becoming set espermanently bent-'n a curved form by having its end turned over to one side, when not in use, by contact with the bottom of the vessel in which the water is kept, which frequently occurs with brushes of the ordinary kind".

What I claim as new, and desire to secure by Letters Patent, is-' The construction of a brush with a central part, A, of India rubber, or equivalent elastic material, and a covering of cloth, felt, or other absorbent material, substantially as herein set forth for the purpose specified;

'JESSE K. PARK.

tructed according to my invention.

Witnesses:

A. LE CLERC,-V J. W. CooMBs. 

